The World Book Encyclopedia, Tom 4World Book, Incorporated, 1993 An encyclopedia designed especially to meet the needs of elementary, junior high, and senior high school students. |
Z wnętrza książki
Wyniki 1 - 3 z 80
Strona 561
... animals Vertebrates all have a closed circulatory system . In this type of system , the blood flows only in the vessels and remains separate from the fluid in the body tissues . Mammals - including human beings - and birds have a heart ...
... animals Vertebrates all have a closed circulatory system . In this type of system , the blood flows only in the vessels and remains separate from the fluid in the body tissues . Mammals - including human beings - and birds have a heart ...
Strona 761
... animal that has little physiological control over its body temperature . Many cold - blooded animals , including most water animals , are warm when their surroundings are warm and cool when their surroundings are cool . Almost all animals ...
... animal that has little physiological control over its body temperature . Many cold - blooded animals , including most water animals , are warm when their surroundings are warm and cool when their surroundings are cool . Almost all animals ...
Strona 989
... animals for food hunt them to sell to zoos , medical researchers , and et traders . Because of habitat destruction and over- inting , many large animals of Asia , including ele- mants , lions , rhinoceroses , and tigers , have become en ...
... animals for food hunt them to sell to zoos , medical researchers , and et traders . Because of habitat destruction and over- inting , many large animals of Asia , including ele- mants , lions , rhinoceroses , and tigers , have become en ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
amendment American animals areas army became began called Canada cent centimeters circulatory system civil Cleveland clothing coal Coast Guard College Colombia colonies color Colorado Columbus Communist compact disc Confederate Congress Connecticut conservation Constitution Cooper corm corn cotton countries country music court cowboys crime Croatia crustaceans Cuba culture Czechoslovakia developed early economic election Europe example farmers farms federal forces French grow House Indians industry island kilometers land live machine major manufacturing ment meters miners mining Mountains National North Ocean Park party person picture plants political President programs Related articles River Roman Scientific classification Senate ships short tons soil South Soviet Soviet Union square kilometers tion trade troops ture Union United vote West Western WORLD BOOK World War II